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popover: Update child visibility when scrolling happens

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If pointing_to starts falling outside of the parent scrollable allocation,
the popover will be automatically hidden, and shown back again when
pointing_to scrolls back to visibility.
This commit is contained in:
Carlos Garnacho 2014-01-22 16:45:01 +01:00
parent 8d3439db61
commit eb2c1242fe
1 changed files with 33 additions and 0 deletions
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33
gtk/gtkpopover.c
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@ -599,6 +599,37 @@ gtk_popover_update_shape (GtkPopover *popover)
cairo_region_destroy (region);
}
static void
_gtk_popover_update_child_visible (GtkPopover *popover)
{
cairo_rectangle_int_t rect;
GtkAllocation allocation;
GtkPopoverPrivate *priv;
GtkWidget *parent;
priv = popover->priv;
if (!priv->parent_scrollable)
{
gtk_widget_set_child_visible (GTK_WIDGET (popover), TRUE);
return;
}
parent = gtk_widget_get_parent (GTK_WIDGET (priv->parent_scrollable));
rect = priv->pointing_to;
gtk_widget_translate_coordinates (priv->widget, parent,
rect.x, rect.y, &rect.x, &rect.y);
gtk_widget_get_allocation (GTK_WIDGET (parent), &allocation);
if (rect.x < 0 || rect.x + rect.width > allocation.width ||
rect.y < 0 || rect.y + rect.height > allocation.height)
gtk_widget_set_child_visible (GTK_WIDGET (popover), FALSE);
else
gtk_widget_set_child_visible (GTK_WIDGET (popover), TRUE);
}
static void
gtk_popover_update_position (GtkPopover *popover)
{
@ -642,6 +673,8 @@ gtk_popover_update_position (GtkPopover *popover)
priv->current_position = priv->final_position;
}
_gtk_popover_update_child_visible (popover);
}
static gboolean